Solar panel yield in Lewiston

Each kWp of solar panels in Lewiston, at the best angle of 41°, produces about 1,426 kWh of electricity a year – worth $458 at today's household electricity price.

Yield per kWp
1,426 kWh
per year
Value per kWp
$458
if used at home, at today's tariff
Versus the United States average
−7%
1,530 kWh
Solar rank in the United States
2,897 of 4,349

Monthly yield of 1 kWp

JanFebMarAprMayJunJulAugSepOctNovDec
Long-term average monthly production (PVGIS), panels facing south at the optimal angle, 14 % system losses.
Show the data as a table
MonthkWh
Jan100
Feb114
Mar144
Apr134
May132
Jun123
Jul135
Aug136
Sep126
Oct106
Nov94
Dec82

A typical 5 kWp home system

A 5 kWp system in Lewiston would produce about 7,128 kWh a year – 285% of the 2,500 kWh our default home uses.

Payback

How fast a system pays for itself depends on its price, how much of the power you use yourself and the feed-in tariff. Try your own numbers: Solar payback calculator →

Cost of running a home in Lewiston →

Source: PVGIS © European Union, 2001–2026.

Updated: